./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/config/KojakMemDerefMemtrack.xml -i ../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:52:19,703 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:52:19,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/config/svcomp-DerefFreeMemtrack-64bit-Kojak_Default.epf [2024-12-05 23:52:19,762 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:52:19,762 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:52:19,781 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:52:19,782 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:52:19,782 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:52:19,783 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Bitprecise bitfields=true [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:52:19,783 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:52:19,783 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:52:19,784 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:52:19,784 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:52:19,784 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 168748c0c54c019ef253d55ab380d3a197e2401ba990ef8210cb41b73a41cb13 [2024-12-05 23:52:20,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:52:20,009 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:52:20,012 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:52:20,013 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:52:20,013 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:52:20,015 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i [2024-12-05 23:52:22,654 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/data/9bbb2ca22/e51177bcf4e448b48137ee3ecbf74462/FLAGff461995d [2024-12-05 23:52:22,895 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:52:22,896 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/sv-benchmarks/c/termination-15/cstrlen_reverse_alloca.i [2024-12-05 23:52:22,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/data/9bbb2ca22/e51177bcf4e448b48137ee3ecbf74462/FLAGff461995d [2024-12-05 23:52:23,240 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/data/9bbb2ca22/e51177bcf4e448b48137ee3ecbf74462 [2024-12-05 23:52:23,242 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:52:23,243 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:52:23,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:52:23,244 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:52:23,247 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:52:23,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,248 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@14fa19c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23, skipping insertion in model container [2024-12-05 23:52:23,248 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:52:23,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:52:23,463 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:52:23,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:52:23,525 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:52:23,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23 WrapperNode [2024-12-05 23:52:23,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:52:23,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:52:23,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:52:23,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:52:23,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,538 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,553 INFO L138 Inliner]: procedures = 152, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 36 [2024-12-05 23:52:23,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:52:23,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:52:23,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:52:23,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:52:23,559 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,561 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,565 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,566 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,568 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:52:23,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:52:23,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:52:23,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:52:23,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:52:23,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:52:23,595 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:52:23,597 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:52:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-12-05 23:52:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-12-05 23:52:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-05 23:52:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-05 23:52:23,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:52:23,616 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:52:23,683 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:52:23,684 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:52:23,803 INFO L? ?]: Removed 22 outVars from TransFormulas that were not future-live. [2024-12-05 23:52:23,803 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:52:23,846 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:52:23,847 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-05 23:52:23,847 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:52:23 BoogieIcfgContainer [2024-12-05 23:52:23,847 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:52:23,848 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:52:23,848 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:52:23,857 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:52:23,857 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:52:23" (1/1) ... [2024-12-05 23:52:23,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:52:23,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:23,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 23:52:23,909 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 23:52:23,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:52:23,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:23,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:24,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:24,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:24,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 23:52:24,102 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 23:52:24,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 3 [2024-12-05 23:52:24,103 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:24,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:24,268 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:24,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:24,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 10 states and 11 transitions. [2024-12-05 23:52:24,354 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 11 transitions. [2024-12-05 23:52:24,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:52:24,355 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:24,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:24,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:24,401 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:24,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:24,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-12-05 23:52:24,433 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-12-05 23:52:24,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:52:24,434 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:24,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:24,699 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:25,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:25,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 12 states and 13 transitions. [2024-12-05 23:52:25,113 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 13 transitions. [2024-12-05 23:52:25,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:52:25,113 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:25,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:25,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:25,152 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-12-05 23:52:25,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:25,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2024-12-05 23:52:25,169 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2024-12-05 23:52:25,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:52:25,169 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:25,169 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:25,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:25,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:25,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:25,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-12-05 23:52:25,918 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-12-05 23:52:25,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-05 23:52:25,919 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:25,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:26,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:26,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 16 states and 22 transitions. [2024-12-05 23:52:26,769 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 22 transitions. [2024-12-05 23:52:26,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:52:26,770 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:52:26,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:52:26,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:52:27,217 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:52:28,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:52:28,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 7 transitions. [2024-12-05 23:52:28,274 INFO L276 IsEmpty]: Start isEmpty. Operand 7 states and 7 transitions. [2024-12-05 23:52:28,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:52:28,275 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-12-05 23:52:28,280 INFO L726 CodeCheckObserver]: All specifications hold 5 specifications checked. All of them hold [2024-12-05 23:52:28,320 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:52:28,320 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:52:28,320 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:52:28,320 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:52:28,320 INFO L77 FloydHoareUtils]: At program point main_returnLabel#1(lines 371 380) the Hoare annotation is: (= |ULTIMATE.start_main_old_#valid#1| |#valid|) [2024-12-05 23:52:28,320 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:52:28,321 INFO L77 FloydHoareUtils]: At program point L377(line 377) the Hoare annotation is: (and (= (select |#valid| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1) (< (div |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) 1) (<= 1 |ULTIMATE.start_main_~length1~0#1|) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= |ULTIMATE.start_main_~nondetString1~0#1.offset| 0) (< (mod |ULTIMATE.start_main_~length1~0#1| 18446744073709551616) (+ (select |#length| |ULTIMATE.start_main_~nondetString1~0#1.base|) 1))) [2024-12-05 23:52:28,321 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3REQUIRES_VIOLATIONMEMORY_DEREFERENCE(line -1) no Hoare annotation was computed. [2024-12-05 23:52:28,321 INFO L77 FloydHoareUtils]: At program point L367-1(lines 367 368) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_cstrlen_~p~0#1.offset| 0))) (and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_cstrlen_~p~0#1.base|) 0)) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (= (select |#valid| |ULTIMATE.start_cstrlen_~p~0#1.base|) 1) (or (= |ULTIMATE.start_cstrlen_#t~mem205#1| 0) (not .cse0)) (or .cse0 (< 0 |ULTIMATE.start_cstrlen_~p~0#1.offset|)))) [2024-12-05 23:52:28,321 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr4ASSERT_VIOLATIONMEMORY_LEAK(lines 371 380) no Hoare annotation was computed. [2024-12-05 23:52:28,321 INFO L77 FloydHoareUtils]: At program point L367-4(lines 367 368) the Hoare annotation is: (and (<= (+ |ULTIMATE.start_cstrlen_~p~0#1.offset| 1) (select |#length| |ULTIMATE.start_cstrlen_~p~0#1.base|)) (= 0 (select (select |#memory_int| |ULTIMATE.start_cstrlen_~p~0#1.base|) 0)) (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) (<= 0 |ULTIMATE.start_cstrlen_~p~0#1.offset|) (= (select |#valid| |ULTIMATE.start_cstrlen_~p~0#1.base|) 1)) [2024-12-05 23:52:28,321 INFO L77 FloydHoareUtils]: At program point L367-5(lines 367 368) the Hoare annotation is: (= (store |#valid| |ULTIMATE.start_main_#t~malloc208#1.base| 0) |ULTIMATE.start_main_old_#valid#1|) [2024-12-05 23:52:28,327 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-05 23:52:28,328 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #length [2024-12-05 23:52:28,328 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #memory_int [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~p~0!base,]]] [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~p~0!offset [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 23:52:28,329 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] [2024-12-05 23:52:28,330 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-05 23:52:28,330 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: #valid [2024-12-05 23:52:28,330 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression [2024-12-05 23:52:28,330 WARN L970 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: main_old_#valid#1 [2024-12-05 23:52:28,331 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:52:28 ImpRootNode [2024-12-05 23:52:28,331 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:52:28,332 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:52:28,332 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:52:28,332 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:52:28,333 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:52:23" (3/4) ... [2024-12-05 23:52:28,335 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:52:28,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-05 23:52:28,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 23:52:28,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:52:28,340 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2024-12-05 23:52:28,391 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:52:28,391 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:52:28,391 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:52:28,392 INFO L158 Benchmark]: Toolchain (without parser) took 5148.81ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 92.4MB in the beginning and 106.4MB in the end (delta: -14.0MB). Peak memory consumption was 97.7MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,392 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:52:28,393 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.60ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 74.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,393 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.01ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:52:28,393 INFO L158 Benchmark]: Boogie Preprocessor took 16.75ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.8MB in the end (delta: 861.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,393 INFO L158 Benchmark]: RCFGBuilder took 275.47ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 58.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,394 INFO L158 Benchmark]: CodeCheck took 4483.83ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 58.8MB in the beginning and 110.4MB in the end (delta: -51.5MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,395 INFO L158 Benchmark]: Witness Printer took 59.17ms. Allocated memory is still 226.5MB. Free memory was 110.4MB in the beginning and 106.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:52:28,396 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 12 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 4.4s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 31 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 137 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 336 IncrementalHoareTripleChecker+Invalid, 473 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 137 mSolverCounterUnsat, 8 mSDtfsCounter, 336 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 297 GetRequests, 219 SyntacticMatches, 2 SemanticMatches, 76 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1710 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 251 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 1/6 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: -1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 371]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.9MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.60ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 74.1MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.01ms. Allocated memory is still 117.4MB. Free memory was 74.1MB in the beginning and 72.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.75ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 71.8MB in the end (delta: 861.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 275.47ms. Allocated memory is still 117.4MB. Free memory was 71.8MB in the beginning and 58.8MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 4483.83ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 58.8MB in the beginning and 110.4MB in the end (delta: -51.5MB). Peak memory consumption was 55.8MB. Max. memory is 16.1GB. * Witness Printer took 59.17ms. Allocated memory is still 226.5MB. Free memory was 110.4MB in the beginning and 106.4MB in the end (delta: 4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #length - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#length,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #memory_int - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#memory_int,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array ArrayAccessExpression[IdentifierExpression[#memory_int,GLOBAL],[IdentifierExpression[~p~0!base,]]] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~p~0!offset - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Cannot backtranslate array access to array IdentifierExpression[#valid,GLOBAL] - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: #valid - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: ArrayStoreExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: main_old_#valid#1 RESULT: Ultimate proved your program to be correct! [2024-12-05 23:52:28,411 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_407db81e-4be3-4c99-88f2-ae704656d895/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE